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Commit f5789cbb authored Oct 30, 2014 by Gregory CLEMENT Committed by Jason Cooper Nov 22, 2014

ARM: mvebu: Fix the secondary startup for Cortex A9 SoC

During the secondary startup the SCU was assumed to be in normal
mode. It is not always the case, and especially after a kexec. This
commit adds the needed sequence to put the SCU in normal mode.

Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Tested-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Reviewed-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Link: https://lkml.kernel.org/r/1414669184-16785-4-git-send-email-gregory.clement@free-electrons.com

Signed-off-by: Jason Cooper <jason@lakedaemon.net>

parent f746ac32

arch/arm/mach-mvebu/headsmp-a9.S

+1 −0

Original line number	Original line	Diff line number	Diff line
	@@ -22,5 +22,6 @@
	ENTRY(mvebu_cortex_a9_secondary_startup)		ENTRY(mvebu_cortex_a9_secondary_startup)
	ARM_BE8(setend be)		ARM_BE8(setend be)
	bl v7_invalidate_l1		bl v7_invalidate_l1
			bl armada_38x_scu_power_up
	b secondary_startup		b secondary_startup
	ENDPROC(mvebu_cortex_a9_secondary_startup)		ENDPROC(mvebu_cortex_a9_secondary_startup)